HST
1 20580U 90037B 05178 43950955 00000442 00000-0 21862-4 0 3677 2 20580 28 4658 201 9758 0003339 23 7502 336 3213 14 99756860631780 ISS
1 25544U 98067A 05179 85568287 00006452 00000-0 50406-4 0 7962 2 25544 51 6436 201 0812 0004012 321 3841 43 3815 15 73143532377522 CHANDRA
1 25867U 99040B 05178 41666667 00000000 00000-0 00000+0 0 8025 2 25867 57 2310 103 4180 5638991 298 7456 357 5008 0 37796738 1219

These 2-Line Elements (TLEs) are from US Space Command courtesy TS Kelso's Celestial BBS Updates will normally be provided three times a week, or daily during Space Shuttle missions

   David Bate for David Cottle